body {
	padding: 0;
	margin: 0;
}

header {
	top: 0;
	left: 0;
	right: 0;
	z-index: 9999;
	position: absolute;
}

main {
	top: 4rem;
	left: 0;
	right: 0;
	bottom: 0;
	position: absolute !important;
}